In this article I report two additional cases of aneurysm of the thoracic aorta treated by wiring with electrolysis, and in addition make note of certain points in the technic of the procedure. As a result of thirty-six such operations, a number of points have arisen which deserve emphasis, the more so because at various times cases have been referred to me which were not suitable for the wiring operation, or instances have been reported to me in which failure occurred because of error in technic.

REPORT OF CASES

Case 1.—E. J. S., a man, aged 40, admitted to the Jefferson Medical College Hospital, March 15, 1926, complained of excessive pain in and about the left scapula, radiating down the left arm and down the back as well. This pain had been so severe that he had been receiving up to 2 grains (0.13 Gm.) of morphine daily for